815850084662 has 4 divisors (see below), whose sum is σ = 1223775126996. Its totient is φ = 407925042330.

The previous prime is 815850084613. The next prime is 815850084697. The reversal of 815850084662 is 266480058518.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266480058518 = 2 ⋅133240029259.

It is a super-2 number, since 2×815850084662² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203962521164 + ... + 203962521167.

It is an arithmetic number, because the mean of its divisors is an integer number (305943781749).

Almost surely, 2^815850084662 is an apocalyptic number.

815850084662 is a deficient number, since it is larger than the sum of its proper divisors (407925042334).

815850084662 is a wasteful number, since it uses less digits than its factorization.

815850084662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407925042333.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 815850084662 in words is "eight hundred fifteen billion, eight hundred fifty million, eighty-four thousand, six hundred sixty-two".